Answer:
A.....
Explanation:
,.............
If a forest has many large trees with lots of leaves, the likely thing that could be found on the ground is very few small plants, because the trees block all the sunlight. Thus, the correct option for this question is A.
Why do plants that live on the forest floor have big leaves?The forest floor gets almost no light at all. Leaves in these environments have adapted to low light and lots of water. Large leaves are arranged horizontally to absorb the most light possible. This is because these plants have plenty of access to water, and they can keep large leaves alive.
The plants that live on the floor of the forest have bigger leaves so that they can absorb the little light that comes through rather the plants that live in hot sunny conditions don't need to store as much sunlight. Cacti are plants that live in extremely dry environments.
Therefore, if a forest has many large trees with lots of leaves, very few small plants would be found on the ground because all the trees block the sunlight. Thus, the correct option for this question is A.
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A large population of Yellow perch lives in the East river. The Walleye is a larger fish that eats the Yellow Perch. Despite lots of prey all the Walleye have moved from the East river to a new river. What most likely caused the Walleye to move to a different river?
A) There is a lack of food in the East river which caused the Walleye to move to a different area.
B) The Walleye are no longer able to catch the Yellow Perch and need to move to a different area.
C) There is climate change which has caused the resources to decline in the East river.
D) There is pollution in the East river that the Yellow Perch are adapted to but the Walleye are not.
Answer:
d
Explanation:
hope this helps
natural selection compared to evolution
Which of the following has been proven true by researchers of identical twins?
a. Identical twins have different personality genes.
b. Identical twins are never the same gender.
c. Identical twins share the same DNA and blood type.
d. Identical twins are no more alike than fraternal twins.
Answer: B. Blood Type
Explanation: Got it right on edge
define ammonotelism?
Answer:
It is the excretion of ammonia and ammonium ions
How can humans use mutations to produce traits we want?
Answer:
mutations can affect an organism by changing its physical characteristics (or phenotype) or it can impact the way dna codes the genetic information (genotype). when mutations occur they can cause termination (death) of an organism or they can be partially lethal.
good luck :)
hopefully, this helps
have a great day !!
Can somebody please help me with all the question?
Answer:
no
Explanation:
What factors do you need to know in order to calculate a region's population growth
Students carry out an experiment to test how white button mushrooms grow best. They begin with identical trays that contain straw, wood chips, and compost, as well as the hyphae that will form the mushroom caps. The students' are experiment and results are described in the table.
Which statement Best describes the students' results?
A) Mushrooms grow better at the cooler temperature.
B) Mushrooms grow better at the warmer temperature.
C) Mushrooms grow better when exposed to light for longer periods.
D) Mushrooms grow better when exposed to light for shorter periods.
The statement that Best describes the students' results is option A. Mushrooms grow better at the cooler temperature.
Result of the student:Since the students' are experiment and results are described in the table.
So based on this, we can say that the mushroom should grow better at the cooler temperature.
Also, the number of mushroom should be 34.
Therefore, the option a is correct.
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Students are asked to make a model that shows each level of structural organization and its function in human beings. Which model should the students use to explain the hierarchy of levels of organization in human beings correctly?
Answer:
The correct answer is option A. muscle cell, muscle tissue, biceps, muscle system, and human being.
Explanation:
In humans and other mammals, there is a specific type of structural organization found in which involves fundamental units to the most exclusive level of organization. The cell is the most basic and fundamental unit of the organism's structure.
Cells joined together to form tissues like muscle cells form muscle tissues, tissues grouped with each other into organs like muscle tissue form biceps, different organs are grouped into organ systems like muscle system form from organs, and many organ systems come together to form complex organisms like human beings.
sample 1
sample 2
sample 3
sample 4
Answer:
Sample 1
Explanation:
Dna contains carbon, hydrogen, oxygen, nitrogen, and phosphorus. These make up the sugar-phosphate backbone of the DNA also known as the sides of the ladder.
Hi Please help asap thanks in advance will give brainliest *image
Answer:
Everything is correct except for the last one
4. Faster streams are deeper
Explanation:
The speed at which a stream flows is called the stream velocity. A fast river moves at a rate of about 5 miles per hour. The water moves most rapidly in the middle of the channel, where the water is deepest and friction is minimal.
True or false: A cell's DNA is replicated during the M phase of the cell cycle.
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match the words with their definitions.
runoff
precipitation
transpiration
condensation
groundwater
evaporation
process in which plants release water vapor into the air
process in which water changes to a vapor
water that falls from clouds toward the ground
water vapor that cools down to form water droplets
flowing of rainwater downhill to form streams and rivers
Transpiration: process in which plants release water vapor into the air.
Evaporation: process in which water changes to a vapor.
Precipitation: water that falls from clouds toward the ground.
Condensation: water vapor that cools down to form water droplets.
Runoff: flowing of rainwater downhill to form streams and rivers.
What is water cycle?The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.Water cycle involve the evaporation, transpiration, condensation, precipitation and runoff.To know more about water cycle here
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Hydroponics are agricultural systems focusing on which of the following methods?
softscape design
soil-free planting in water
oceanside shore plantings
xeriscape planting without water
need answer quick please thanks
Q9.
Figure 9 shows two sperm cells.
sperm A
sperm B
-Z
Figure 9
(i) Name structure Z.
Answer:
what is with yall wemen and sperm
Explanation:
im a male
A food web shows how energy moves from one organism to another in an ecosystem. Students in a life science class created a diagram demonstrating a food web.
FOOD WEB
Owl
Snake
Hank
Frog
Grasshopper
Mouse
Rabbit
Caterpillar
Wheat
Dandelion
Clover
Based on the food web, which of these organisms receives its energy directly from a primary consumer?
caterpillar
dandelion
frog
grasshopper
The fossil at point X has been dated to be 65 million years old. What can
relative dating indicate about the fossil at point Y? *
A) The distortion of organism by the fault
B) The type of environment the organism lived in
C) The age of the organism when it died
D) The similar time period in which the organism lived
Answer:
D.The similar time period in which the organism lived
Que tipo de procariotas crees que podrían sobrevivir a un viaje por el espacio? Explica. ayuda pliis
Answer:
bacterias extremófilas
Explanation:
Los organismos extremófilos son aquellos capaces de vivir en condiciones extremas. Los extremófilos pueden ser tanto procariotas (arqueas y bacteria) como eucariotas (hongos, plantas, animales, etc). Algunos ejemplos interesantes de bacteria extremófilas capaces de sobrevivir en condiciones extremas como las que se encuentran en el espacio incluyen:
1- Deinococcus radiodurans, la cual es una bacteria capaz de resistir grandes dosis de radiación.
2- Thermus aquaticus, una bacteria capaz de vivir a temperaturas entre 50 y 80 °C. Esta bacteria produce una ADN polimerasa termoestable que ha sido utilizada para la reacción en Cadena de la Polimerasa (PCR)
3- Polaromonas vacuolata, una bacteria capaz de desarrollarse completamente sin problemas a temperaturas muy bajas. (entre 4 °C a 0 °C).
Qual das alternativas abaixo nao corresponde a função da agua? Solvente. Mudança de temperatura. Não tranporta substâncias. Hidrólise
Which of the following is true of all protists?
O
A. They are all unicellular.
O
B. They are all capable of photosynthesis.
C. They are all eukaryotes.
0 D. They are all primitive plants or animals.
Answer:
Kingdom Protista was first described by Antony van Leeuwenhoek in 1675. The kingdom includes the majority of unicellular and eukaryotic organisms.
Explanation:
Protists are eukaryotic organisms such that they consist of a well-defined nucleus, membrane-bound cell organelles, and are mostly unicellular. However, some of the protists such as algae perform photosynthesis, some protists exhibit mutualism, and some are parasitic.
Most of the protists are single cells, but they can exist in multicellular forms, in colonies, and can live as single-cell. Some of the examples include giant kelps, euglena, and diatoms.
Protists such as alga are capable of performing photosynthesis. Photosynthesis is the process of preparing food in the presence of sunlight, water, and carbon dioxide to yield oxygen and provide energy.
Protists are one of the diverse kingdoms in the classification of organisms as it comprises moulds, algae, and protozoa. Protists are not classified as plants, fungi, or animals. For example, the division Bryophyte is considered as a primitive division to plants, whereas kingdom Moneran is considered as most primitive.
The period during which a heart chamber is contracting is called . 2. The period during which a heart chamber is relaxing is called . 3. During ventricular contraction, the AV valves (tricuspid and mitral valves) are . 4. During ventricular relaxation, the AV valves are . 5. The pulmonary and aortic valves open when the pressure in the exceeds the pressure in the pulmonary trunk and aorta. 6. The first sound of a cardiac cycle occurs when the are closing. 7. The second sound of a cardiac cycle occurs when
Answer:
1.The period during which a heart chamber is contracting is called systole.
2. The period during which a heart chamber is relaxing is called diastole.
3. During ventricular contraction, the AV valves (tricuspid and mitral valves) are closed.
4. During ventricular relaxation, the AV valves are open.
5. The pulmonary and aortic valves open when the pressure in the ventricles exceeds the pressure in the pulmonary trunk and aorta.
6. The first sound of a cardiac cycle occurs when the atrioventricular valves are closing.
7. The second sound of a cardiac cycle occurs when the semilunar valves are closing.
Explanation:
We can divide the heart cycle into two parts the systole and the diastole. The systole happens when the heart walls contract, and the diastole when these relax.
The relaxation and contraction allow the flow of blood into the different heart chambers.
During diastole, blood flows to the right atrium from the vena cavae superior and inferior, and the coronary veins and to the left atrium from the pulmonary veins. The blood accumulated in the atriums causes the AV valves to open, and blood flows to the ventricles. In this part, the atrium pressure exceeds the ventricular pressure allowing the blood's flow. When the atriums contract, the remaining blood that was in them, goes to the ventricles. Throughout all this process, the pulmonary and aortic valve is closed due to a pressure difference.
During ventricular systole, there are two phases. First, the ventricles contracts themselves, and the ventricular pressure increases, being higher than the atrium pressure. As a consequence, the AV valves close. During this first phase of contraction, there is not enough pressure to open the pulmonary and aortic valves. In the second phase, the ventricles completely contract themselves, the ventricular blood pressure increases. It becomes higher than the pressure in the aortic and pulmonary valves. As a consequence, the blood pushes the valves open, and blood goes out of the heart. Then, the difference in pressure between the ventricles and the pulmonary trunk and aorta causes the valves in these areas to close.
The first sound that we listen to is the S1 and is during the ventricular contraction that closes the atrioventricular valves. The second sound is the S2, and it happens when the semilunar valves close, also knowns as aortic and pulmonary valves. S2 occurs during diastole once that the blood is out of the ventricle and the contraction has finished.
What kind of front does not cause a temperature change and producing light wind and precipitation?
A-Cold front
B-Occluded fronts
C-Stationary fronts
D-Warm front
Answer:
D. Warm front
Explanation:
Warm fronts typically have warmer and more moist air than the air in front of it. Replacing the cold air with warm air can cause precipitation.
All the the cells are the same on the inside?
true or false?
Answer:
false
Explanation:
because the cells are unique and different
Answer:
Even though there are many different types of cells, they all share similar characteristics. All cells have a cell membrane, organelles organelles, cytoplasm, and DNA. ( is false)
Which of the following statements is true about arteries?
Arteries are large vessels.
Arteries carry blood from the heart to tissues of the body.
Arteries carry oxygen rich blood, with the exception of pulmonary arteries.
Arteries have thick walls which are needed to withstand pressure produced when the heart pushes blood into them.
None of the above
All of the above
Answer:
All of the above
Explanation:
What factors may have contributed to the decreased size of the giant panda’s range?
Answer: low reproduction rates, hunting and most importantly habitat destruction
Explanation:
The cactus has a specialized fleshy stem that is specialized to store water for long periods of time. Which plant tissue most likely makes this action possible?
I know the answer is Ground, but i need to know WHY the answer is ground tissue. I WILL MARK BRAINLIEST
(on EDGE)
Answer:
If I were to guess its probably Vascular
Explanation:
Cactuses can store water nearly four months mainly in the winter and watering is not required for them frequently during that time. The stem acts as a reservoir for the amount of water it holds. The ground tissue of cactus has lots of parenchymal cells that store water.
What is parenchyma?The ground tissue system comes from a ground meristem which has three tissues, namely parenchyma, collenchyma, and sclerenchyma.
The ground tissue of cactus has many parenchyma cells that store water.
Thus, it can be concluded that the ground tissues helps cactus to store water for a long time.
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Question 14
The energy that drives the water cycle originates from:
a
The sun
b
The global wind system
c
Surface and ground water
d
Thermohaline circulationL
Answer:
the sun
Explanation:
the sun is energy that controls all weather activity. (pretty much)
A chemist has discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. He wants to use the drug to kill bacteria in people with infections. However, he cannot do this because __________. A chemist has discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. He wants to use the drug to kill bacteria in people with infections. However, he cannot do this because __________. bacteria are facultative anaerobes; they usually don't need to perform glycolysis human cells also perform glycolysis; the drug might also poison them glycolysis can occur without the action of enzymes bacteria do not perform glycolysis glycolysis produces so little ATP that the drug will have little effect
Answer:
human cells also perform glycolysis; the drug might also poison them
Explanation:
Glycolysis is the first stage of cellular respiration, which is performed by every living thing to release energy for their cell's use. Glycolysis occurs in the cytosol, hence, it is undergone by every living organism whether prokaryotic or eukaryotic.
According to this question, a chemist is said to have discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. His main aim is to use the drug to kill bacteria in people with infections. No matter his good intentions, he cannot use the drug on people because of its inhibitory effect on glycolytic reactions, which is also performed by human cells.
Therefore, the chemist cannot use the drug because human cells also perform glycolysis and the drug might also poison them.
What's does the term origin time mean in earth science
Answer:
Well depending on context it can mean different things, I could mean one of these three thing, choose the one you think is the most suitable,
(1) The birth, existence, or beginning; starting point. (2) The cause; that which causes something to arise. (3) That which acts as the source or that which from where something is derived.